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Finding the Fourth Proportional to 144,898.32, 217,394.64 and 70,026.96

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Solution

The fourth proportional to 144,898.32, 217,394.64 and 70,026.96 is: 105,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,898.32 : 217,394.64 = 70,026.96 : x
  2. Step 2: Convert to fraction form
    144,898.32/217,394.64 = 70,026.96/x
  3. Step 3: Cross multiply
    144,898.32x = 217,394.64 × 70,026.96
  4. Step 4: Simplify right side
    144,898.32x = 15,223,485,759.49
  5. Step 5: Solve for x
    x = 15,223,485,759.49/144,898.32
  6. Step 6: Final answer
    x = 105,063.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.